Cohort progression — Mölndals Allmänna Simsällskap
Median season-best times of each birth-year cohort, overlaid by age — shows how consecutive groups developed at the same stage of training.
Event: 50 freestyle50 breaststroke50 backstroke100 freestyle50 butterfly100 breaststroke100 backstroke200 freestyle100 butterfly200 medley25 butterfly25 freestyle200 backstroke100 medley25 breaststroke25 backstroke200 breaststroke400 freestyle200 butterfly400 medley
Cohorts to compare: 2018 32017 142016 422015 642014 612013 572012 442011 342010 322009 182008 72007 132006 72005 92004 92003 6
50 m freestyle men · 25 m pool
X: swimmer age in season · Y: median season-best time
born 2017 born 2016 born 2015